﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Wixa.Util.Extensions
{
    public static class StringExtension
    {
        /// <summary>
        /// 转为首字母小写
        /// </summary>
        /// <param name="str">字符串</param>
        /// <returns></returns>
        public static string ToFirstLowerStr(this string str)
        {
            return str.Substring(0, 1).ToLower() + str.Substring(1);
        }

    }
}
